Hi,
add the file redled.lib in the directory c:spice8pr
run SpiceNet, from “File” menu select Update Part Database…
you should receive the message with no errors
from “Parts” menu select Parts Browser…
you should see the component REDLED under Diodes Part Type
click on “Place” to use the component
below a simple example. The voltage drop is about 1.8V and the current about 20mA.